Longer than before the length of the threaded portion at the time of installation, can now be easily set with the mounting of the body without having to severe the settings of the attacker side to be detected.
By the way, can also be used to substitute with other products, without any backlash after mounting, reliability think high.
On the contrary, when the Toriaeru with those of the existing length, we might not be able to use some for too long. (For example, not be installed and does not bend the line side to the L-type)